Revup FFTS to latest upstream version

Taken from https://github.com/linkotec/ffts

Fixes ppc64el support and a handful of other bugs

1 files changed, 45 insertions, 0 deletions

diff --git a/lib/ffts/src/ffts_chirp_z.h b/lib/ffts/src/ffts_chirp_z.h
new file mode 100644
index 0000000..2a6aa7b
--- /dev/null
+++ b/lib/ffts/src/ffts_chirp_z.h
@@ -0,0 +1,45 @@
+/*
+
+This file is part of FFTS -- The Fastest Fourier Transform in the South
+
+Copyright (c) 2016, Jukka Ojanen <jukka.ojanen@kolumbus.fi>
+
+All rights reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are met:
+* Redistributions of source code must retain the above copyright
+notice, this list of conditions and the following disclaimer.
+* Redistributions in binary form must reproduce the above copyright
+notice, this list of conditions and the following disclaimer in the
+documentation and/or other materials provided with the distribution.
+* Neither the name of the organization nor the
+names of its contributors may be used to endorse or promote products
+derived from this software without specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
+ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+DISCLAIMED. IN NO EVENT SHALL ANTHONY M. BLAKE BE LIABLE FOR ANY
+DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+*/
+
+#ifndef FFTS_CHIRP_Z_H
+#define FFTS_CHIRP_Z_H
+
+#if defined (_MSC_VER) && (_MSC_VER >= 1020)
+#pragma once
+#endif
+
+#include "ffts.h"
+
+ffts_plan_t*
+ffts_chirp_z_init(size_t N, int sign);
+
+#endif /* FFTS_CHIRP_Z_H */